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役立つ (やくだつ) Japanese meaning | Kotomora

役やく立だつ

や

く

だ

つ

Common wordJLPTN2Freq.FrequencyTop 5,000

Meanings

1

godan verb (-tsu), intransitive verb

be useful; be helpful; serve the purpose

Intransitive verb describing something that proves useful or beneficial in a situation. Often used with に to mark the beneficiary or purpose.

この辞じ書しょは日本にほん語ごの勉べん強きょうに役やく立だつ。
This dictionary is useful for studying Japanese.

彼かれのアドバイスがとても役やく立だった。

His advice was very helpful.

Written forms

役やく立だつUsage98%
Standard kanji spelling; high priority.
役やくだつUsage2%
Mixed kana spelling sometimes used for readability.

Kanji

役duty, war, campaign
立stand up, rise, set up

Similar words

役やくに立たつ
Almost synonymous, but 役に立つ is a phrase (noun + particle + verb) and can feel slightly more concrete or situational. 役立つ is a single verb and often sounds more formal or abstract.
便べん利り
便利 is a na-adjective meaning 'convenient', focusing on ease of use. 役立つ focuses on practical usefulness or benefit.

Etymology

Compound of 役 (role, use) and 立つ (to stand, be established). The exact historical derivation is uncertain, but the combination conveys the idea of 'standing in a useful role'.